package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author ：XXXX
 * @date ：Created in 2019/12/07
 * @description ：体检预约服务
 * @version: 1.0
 */
@Service
@Transactional
public class OrderServiceImpl implements OrderService{
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    //体检预约
    public Result order(Map map){
        //检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        Date orderDate = null;
        String orderDateStr = (String) map.get("orderDate");
        try {
            orderDate =  DateUtils.parseString2Date(orderDateStr);
        }catch (Exception e){
            e.printStackTrace();
            return new Result(true,MessageConstant.ORDER_FAIL);
        }
        //检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        OrderSetting ordreSetting = orderSettingDao.findByOrderDate(orderDate);
        if (ordreSetting == null){
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        int number = ordreSetting.getNumber();
        int reservations = ordreSetting.getReservations();
        if (reservations>=number){
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        //检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member == null){
            //不是会员，自动注册
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }else {
            //检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order();
            order.setMemberId(memberId);
            order.setOrderDate(orderDate);
            order.setSetmealId(setmealId);
            List<Order> list = orderDao.findByCondition(order);
            if (list !=null && list.size() > 0){
                //重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }
        //更新预约人数
        ordreSetting.setReservations(ordreSetting.getReservations()+1);
        orderSettingDao.editReservationsByOrderDate(ordreSetting);
        //保存预约信息
        Order order1 = new Order(member.getId(),
                orderDate,
                (String) map.get("orderType"),
                Order.ORDERSTATUS_NO,
                Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order1);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order1.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception{
        Map map = orderDao.findById4Detail(id);
        if(map != null){
            //处理日期格式
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
